<template>
  <div>
    <h2>Right组件</h2>
    <p>{{age}}</p>
    <button @click="age += 1">+1</button>
  </div>
</template>

<script>
export default {
 data(){
  return {
    age:20
  }
 }
}
</script>
<style scoped>
  div{
  min-height: 200px;
  background-color:darkorange;
  }
</style>